Frequently Asked Questions on Diversity in Living Organisms

Why do we classify organisms?

By classifying organisms, it is easier and more convenient to study their characteristics. Similarities exhibited by various entities allow us to categorize different entities into a class and hence study the group as a whole.

What is the primary characteristic on which the broad division of organisms is made?

The basic characteristic on which organisms are primarily divided is the nature of cells. It is broadly classified as prokaryotic cells and eukaryotic cells which furthermore is classified into subclasses.

Which organisms are called primitive and how are they different from the so-called advanced organisms?

Primitive organisms are the organisms that exhibit a very simple and basic cell arrangement, mechanism and structure and no division of labour is observed. Advanced organisms, on the other hand, are the organisms possessing millions of cells that are grouped into various organs performing different functionality such as mammals.

Will advanced organisms be the same as complex organisms?

Yes. Complex organisms are the same as advanced organisms. The consequence of advancement leads to multiple cell arrangements that operate uniquely.

What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?

One of the most significant differences in classification is the development of the nucleus. The ones with no nuclear membrane are defined to be Monera while the ones that have well-defined nuclei walls are Protista.

Which division among plants has the simplest organisms?

Algae or Thallophyta has the simplest organisms among the plants.

How do gymnosperms and angiosperms differ from each other?

In gymnosperms, the seeds are naked while in angiosperms the seeds are covered.

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